Tris(chelate)2(diene)ruthenium(II) complexes have been synthesized. All three possible diastereoisomers of Ru(bzac)2(cod) (where cod=1,5-cyclooctadiene and bzac=benzoylacetonato) have been isolated and diastereoisomerization processes were observed at elevated temperature. The energy barriers were found to be in the range of 35-36 kcal/mol. The DNMR behaviour of Ru(S2CNMe2)2(cod) and Ru(S2PMe2)2(L) complexes is also discussed. We synthesized a new Ru(N-isopropylsalicylaldiminato)2(cod) tris-chelate which was found to clathrate some solvents. © 1991.
Dynamic stereochemistry of bis-β-diketonato-1,5-cyclooctadiene ruthenium(II) complexes / Failla, S.; Finocchiaro, P.; Latronico, M.; Libertini, E.. - In: INORGANICA CHIMICA ACTA. - ISSN 0020-1693. - 186:1(1991), pp. 125-129. [10.1016/S0020-1693(00)87941-4]
Dynamic stereochemistry of bis-β-diketonato-1,5-cyclooctadiene ruthenium(II) complexes
Libertini E.
1991
Abstract
Tris(chelate)2(diene)ruthenium(II) complexes have been synthesized. All three possible diastereoisomers of Ru(bzac)2(cod) (where cod=1,5-cyclooctadiene and bzac=benzoylacetonato) have been isolated and diastereoisomerization processes were observed at elevated temperature. The energy barriers were found to be in the range of 35-36 kcal/mol. The DNMR behaviour of Ru(S2CNMe2)2(cod) and Ru(S2PMe2)2(L) complexes is also discussed. We synthesized a new Ru(N-isopropylsalicylaldiminato)2(cod) tris-chelate which was found to clathrate some solvents. © 1991.
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